Answer:
x^2-2x-15
Hope this helps!
Answer:
280
Step-by-step explanation:
50% is half, so to get the total, multiply 140*2 which is 280.
Solution :
Given :
X = the number of boys in a family of four children
Families having four children are chosen randomly.
The gender distribution in the four child family are equally probable.
Thus,
X P(X) CDF
0
= 1/16 
1
= 1/4
2
= 3/8 
3
= 1/4 
4
= 1/16 1
Answer:
Right now it would be

Since desend means down add -20 to -40

or

Then is goes up 35, which is positive

Therefore, the answer is -25
Hope this helps
Answer by
<em>Fishylikeswater</em>
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